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MT · POA · Updated July 2026 · Free

Montana Power of Attorney

Not Attorney-ReviewedAuthor: Arjun AnnamalaiMethodology: Statutory Verification

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Montana at a glance: Governing Law: Mont. Code § 72-31-201 et seq. (UPOAA) · Notarization: Required · Witnesses: Not statutorily required

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Overview

Powers of Attorney in Montana

Montana has adopted the Uniform Power of Attorney Act, codified in the Montana Code Annotated. A financial POA must be notarized to be valid and is durable by default. A separate health care directive is required for medical decisions in Montana.
Key Facts

Montana Power of Attorney — Quick Reference

RequirementMontana Rule
Governing LawMont. Code § 72-31-201 et seq. (UPOAA)
NotarizationRequired
WitnessesNot statutorily required
Default DurabilityDurable by default
Medical DecisionsSeparate health care directive required
Legal Requirements

Montana Legal Requirements

  • Must be signed by the principal and acknowledged before a notary public.
  • Durable by default under Montana's Uniform Power of Attorney Act.
  • Agent has fiduciary duties to act in the principal's best interest.
  • A separate health care directive is needed for medical decisions.
Governing Laws

Montana Governing Laws

Mont. Code § 72-31-201 et seq.
Uniform Power of Attorney Act
Governs the creation, effect, and termination of powers of attorney in Montana.

Read the full text of these laws at Cornell Law School's Montana legal resources or your state legislature's official website.

Questions & Answers

Montana Power of Attorney — Frequently Asked Questions

Does a Montana POA need to be notarized?

Yes. Montana requires a financial POA to be acknowledged before a notary public.

Is a Montana POA durable by default?

Yes, under Montana's Uniform Power of Attorney Act.

Does a Montana POA cover healthcare decisions?

No. A separate health care directive is required for medical decisions.